Solve the System of Equations Using Cramerʹs Rule If It

question 139

Multiple Choice

Solve the system of equations using Cramerʹs Rule if it is applicable. If Cramerʹs Rule is not applicable, say so.
-

• A)x = 4, y = 3; (4, 3)
• B)x = 3, y = 4; (3, 4)
• C)x = -3, y = 4; (-3, 4)
• D)x = -4, y = -3; (-4, -3)

---

Definitions:

Independent Variables

Variables in an experiment that are manipulated to observe their effects on dependent variables.

Experimental Hypothesis

An assumption or prediction about the relationship between two variables or the outcome of an experiment designed to be tested through research.

Control Conditions

Conditions in an experiment that are kept constant to accurately test the impact of the experimental factor.

Experimental Procedures

Systematic processes undertaken to discover new knowledge or to test hypotheses by manipulating variables and observing the outcomes.